2 * melt.c -- MLT command line utility
3 * Copyright (C) 2002-2012 Ushodaya Enterprises Limited
4 * Authors: Charles Yates <charles.yates@pandora.be>
5 * Dan Dennedy <dan@dennedy.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
33 #include <framework/mlt.h>
35 #if (defined(__DARWIN__) || defined(WIN32)) && !defined(MELT_NOSDL)
41 static void transport_action( mlt_producer producer, char *value )
43 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
44 mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
45 mlt_consumer consumer = mlt_properties_get_data( properties, "transport_consumer", NULL );
46 mlt_properties jack = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES( consumer ), "jack_filter", NULL );
47 mlt_position position = mlt_producer_position( producer );
49 mlt_properties_set_int( properties, "stats_off", 1 );
51 if ( strlen( value ) == 1 )
57 mlt_properties_set_int( properties, "done", 1 );
58 mlt_events_fire( jack, "jack-stop", NULL );
62 mlt_producer_set_speed( producer, 1 );
63 mlt_producer_seek( producer, position );
64 mlt_consumer_purge( consumer );
65 mlt_events_fire( jack, "jack-seek", &position, NULL );
68 mlt_producer_set_speed( producer, -10 );
71 mlt_producer_set_speed( producer, -5 );
74 mlt_producer_set_speed( producer, -2 );
77 mlt_producer_set_speed( producer, -1 );
80 mlt_producer_set_speed( producer, 0 );
81 mlt_consumer_purge( consumer );
82 mlt_events_fire( jack, "jack-stop", NULL );
86 if ( !jack || mlt_producer_get_speed( producer ) != 0 )
87 mlt_producer_set_speed( producer, 1 );
88 mlt_consumer_purge( consumer );
89 mlt_events_fire( jack, "jack-start", NULL );
92 mlt_producer_set_speed( producer, 2 );
95 mlt_producer_set_speed( producer, 5 );
98 mlt_producer_set_speed( producer, 10 );
101 if ( multitrack != NULL )
104 mlt_position last = -1;
105 fprintf( stderr, "\n" );
106 for ( i = 0; 1; i ++ )
108 position = mlt_multitrack_clip( multitrack, mlt_whence_relative_start, i );
109 if ( position == last )
112 fprintf( stderr, "%d: %d\n", i, (int)position );
118 if ( multitrack != NULL )
120 position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 0 );
121 mlt_producer_seek( producer, position );
122 mlt_consumer_purge( consumer );
123 mlt_events_fire( jack, "jack-seek", &position, NULL );
127 if ( producer != NULL )
129 position -= mlt_producer_get_fps( producer ) * 60;
130 mlt_consumer_purge( consumer );
131 mlt_producer_seek( producer, position );
132 mlt_events_fire( jack, "jack-seek", &position, NULL );
136 if ( producer != NULL )
139 mlt_producer_set_speed( producer, 0 );
140 mlt_consumer_purge( consumer );
141 mlt_producer_seek( producer, position );
142 mlt_events_fire( jack, "jack-stop", NULL );
143 mlt_events_fire( jack, "jack-seek", &position, NULL );
147 if ( multitrack != NULL )
149 position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, 1 );
150 mlt_consumer_purge( consumer );
151 mlt_producer_seek( producer, position );
152 mlt_events_fire( jack, "jack-seek", &position, NULL );
156 if ( multitrack != NULL )
158 position = mlt_multitrack_clip( multitrack, mlt_whence_relative_current, -1 );
159 mlt_consumer_purge( consumer );
160 mlt_producer_seek( producer, position );
161 mlt_events_fire( jack, "jack-seek", &position, NULL );
165 if ( producer != NULL )
168 mlt_consumer_purge( consumer );
169 if ( mlt_producer_get_speed( producer ) != 0 )
171 mlt_producer_set_speed( producer, 0 );
172 mlt_events_fire( jack, "jack-stop", NULL );
176 mlt_producer_seek( producer, position );
177 mlt_events_fire( jack, "jack-seek", &position, NULL );
182 if ( producer != NULL )
184 position += mlt_producer_get_fps( producer ) * 60;
185 mlt_consumer_purge( consumer );
186 mlt_producer_seek( producer, position );
187 mlt_events_fire( jack, "jack-seek", &position, NULL );
192 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
195 mlt_properties_set_int( properties, "stats_off", 0 );
198 static void on_jack_started( mlt_properties owner, mlt_consumer consumer, mlt_position *position )
200 mlt_producer producer = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES(consumer), "transport_producer", NULL );
203 if ( mlt_producer_get_speed( producer ) != 0 )
205 mlt_properties jack = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES( consumer ), "jack_filter", NULL );
206 mlt_events_fire( jack, "jack-stop", NULL );
210 mlt_producer_set_speed( producer, 1 );
211 mlt_consumer_purge( consumer );
212 mlt_producer_seek( producer, *position );
213 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
218 static void on_jack_stopped( mlt_properties owner, mlt_consumer consumer, mlt_position *position )
220 mlt_producer producer = mlt_properties_get_data( MLT_CONSUMER_PROPERTIES(consumer), "transport_producer", NULL );
223 mlt_producer_set_speed( producer, 0 );
224 mlt_consumer_purge( consumer );
225 mlt_producer_seek( producer, *position );
226 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "refresh", 1 );
230 static void setup_jack_transport( mlt_consumer consumer, mlt_profile profile )
232 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
233 mlt_filter jack = mlt_factory_filter( profile, "jackrack", NULL );
234 mlt_properties jack_properties = MLT_FILTER_PROPERTIES(jack);
236 mlt_service_attach( MLT_CONSUMER_SERVICE(consumer), jack );
237 mlt_properties_set_int( properties, "audio_off", 1 );
238 mlt_properties_set_data( properties, "jack_filter", jack, 0, (mlt_destructor) mlt_filter_close, NULL );
239 // mlt_properties_set( jack_properties, "out_1", "system:playback_1" );
240 // mlt_properties_set( jack_properties, "out_2", "system:playback_2" );
241 mlt_events_listen( jack_properties, consumer, "jack-started", (mlt_listener) on_jack_started );
242 mlt_events_listen( jack_properties, consumer, "jack-stopped", (mlt_listener) on_jack_stopped );
245 static mlt_consumer create_consumer( mlt_profile profile, char *id )
247 char *myid = id ? strdup( id ) : NULL;
248 char *arg = myid ? strchr( myid, ':' ) : NULL;
251 mlt_consumer consumer = mlt_factory_consumer( profile, myid, arg );
252 if ( consumer != NULL )
254 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
255 mlt_properties_set_data( properties, "transport_callback", transport_action, 0, NULL, NULL );
262 static void load_consumer( mlt_consumer *consumer, mlt_profile profile, int argc, char **argv )
267 for ( i = 1; i < argc; i ++ )
268 multi += !strcmp( argv[ i ], "-consumer" );
272 // If there is more than one -consumer use the 'multi' consumer.
277 mlt_consumer_close( *consumer );
278 *consumer = create_consumer( profile, "multi" );
279 mlt_properties properties = MLT_CONSUMER_PROPERTIES( *consumer );
280 for ( i = 1; i < argc; i ++ )
282 if ( !strcmp( argv[ i ], "-consumer" ) && argv[ i + 1 ])
284 // Create a properties object for each sub-consumer
285 mlt_properties new_props = mlt_properties_new();
286 snprintf( key, sizeof(key), "%d", k++ );
287 mlt_properties_set_data( properties, key, new_props, 0,
288 (mlt_destructor) mlt_properties_close, NULL );
289 if ( strchr( argv[i + 1], ':' ) )
291 char *temp = strdup( argv[++i] );
292 char *service = temp;
293 char *target = strchr( temp, ':' );
295 mlt_properties_set( new_props, "mlt_service", service );
296 mlt_properties_set( new_props, "target", target );
300 mlt_properties_set( new_props, "mlt_service", argv[ ++i ] );
302 while ( argv[ i + 1 ] && strchr( argv[ i + 1 ], '=' ) )
303 mlt_properties_parse( new_props, argv[ ++ i ] );
307 else for ( i = 1; i < argc; i ++ )
309 if ( !strcmp( argv[ i ], "-consumer" ) )
312 mlt_consumer_close( *consumer );
313 *consumer = create_consumer( profile, argv[ ++ i ] );
316 mlt_properties properties = MLT_CONSUMER_PROPERTIES( *consumer );
317 while ( argv[ i + 1 ] != NULL && strchr( argv[ i + 1 ], '=' ) )
318 mlt_properties_parse( properties, argv[ ++ i ] );
324 #if (defined(__DARWIN__) || defined(WIN32)) && !defined(MELT_NOSDL)
326 static void event_handling( mlt_producer producer, mlt_consumer consumer )
330 while ( SDL_PollEvent( &event ) )
335 mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( consumer ), "done", 1 );
339 if ( event.key.keysym.unicode < 0x80 && event.key.keysym.unicode > 0 )
341 char keyboard[ 2 ] = { event.key.keysym.unicode, 0 };
342 transport_action( producer, keyboard );
351 static void transport( mlt_producer producer, mlt_consumer consumer )
353 mlt_properties properties = MLT_PRODUCER_PROPERTIES( producer );
354 int silent = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "silent" );
355 int progress = mlt_properties_get_int( MLT_CONSUMER_PROPERTIES( consumer ), "progress" );
356 struct timespec tm = { 0, 40000 };
357 int total_length = mlt_producer_get_length( producer );
358 int last_position = 0;
360 if ( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
362 if ( !silent && !progress )
366 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
367 fprintf( stderr, "|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|\n" );
368 fprintf( stderr, "+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+\n" );
370 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
371 fprintf( stderr, "| H = back 1 minute, L = forward 1 minute |\n" );
372 fprintf( stderr, "| h = previous frame, l = next frame |\n" );
373 fprintf( stderr, "| g = start of clip, j = next clip, k = previous clip |\n" );
374 fprintf( stderr, "| 0 = restart, q = quit, space = play |\n" );
375 fprintf( stderr, "+---------------------------------------------------------------------+\n" );
378 while( mlt_properties_get_int( properties, "done" ) == 0 && !mlt_consumer_is_stopped( consumer ) )
380 int value = ( silent || progress )? -1 : term_read( );
384 char string[ 2 ] = { value, 0 };
385 transport_action( producer, string );
388 #if (defined(__DARWIN__) || defined(WIN32)) && !defined(MELT_NOSDL)
389 event_handling( producer, consumer );
392 if ( !silent && mlt_properties_get_int( properties, "stats_off" ) == 0 )
396 int current_position = mlt_producer_position( producer );
397 if ( current_position > last_position )
399 fprintf( stderr, "Current Frame: %10d, percentage: %10d%c",
400 current_position, 100 * current_position / total_length,
401 progress == 2 ? '\n' : '\r' );
402 last_position = current_position;
407 fprintf( stderr, "Current Position: %10d\r", (int)mlt_consumer_position( consumer ) );
411 if ( silent || progress )
412 nanosleep( &tm, NULL );
416 fprintf( stderr, "\n" );
420 static void show_usage( char *program_name )
423 "Usage: %s [options] [producer [name=value]* ]+\n"
425 " -attach filter[:arg] [name=value]* Attach a filter to the output\n"
426 " -attach-cut filter[:arg] [name=value]* Attach a filter to a cut\n"
427 " -attach-track filter[:arg] [name=value]* Attach a filter to a track\n"
428 " -attach-clip filter[:arg] [name=value]* Attach a filter to a producer\n"
429 " -audio-track | -hide-video Add an audio-only track\n"
430 " -blank frames Add blank silence to a track\n"
431 " -consumer id[:arg] [name=value]* Set the consumer (sink)\n"
432 " -debug Set the logging level to debug\n"
433 " -filter filter[:arg] [name=value]* Add a filter to the current track\n"
434 " -group [name=value]* Apply properties repeatedly\n"
435 " -help Show this message\n"
436 " -jack Enable JACK transport synchronization\n"
437 " -join clips Join multiple clips into one cut\n"
438 " -mix length Add a mix between the last two cuts\n"
439 " -mixer transition Add a transition to the mix\n"
440 " -null-track | -hide-track Add a hidden track\n"
441 " -profile name Set the processing settings\n"
442 " -progress Display progress along with position\n"
443 " -remove Remove the most recent cut\n"
444 " -repeat times Repeat the last cut\n"
445 " -query List all of the registered services\n"
446 " -query \"consumers\" | \"consumer\"=id List consumers or show info about one\n"
447 " -query \"filters\" | \"filter\"=id List filters or show info about one\n"
448 " -query \"producers\" | \"producer\"=id List producers or show info about one\n"
449 " -query \"transitions\" | \"transition\"=id List transitions, show info about one\n"
450 " -query \"profiles\" | \"profile\"=id List profiles, show info about one\n"
451 " -query \"presets\" | \"preset\"=id List presets, show info about one\n"
452 " -query \"formats\" List audio/video formats\n"
453 " -query \"audio_codecs\" List audio codecs\n"
454 " -query \"video_codecs\" List video codecs\n"
455 " -serialise [filename] Write the commands to a text file\n"
456 " -silent Do not display position/transport\n"
457 " -split relative-frame Split the last cut into two cuts\n"
458 " -swap Rearrange the last two cuts\n"
459 " -track Add a track\n"
460 " -transition id[:arg] [name=value]* Add a transition\n"
461 " -verbose Set the logging level to verbose\n"
462 " -version Show the version and copyright\n"
463 " -video-track | -hide-audio Add a video-only track\n"
464 "For more help: <http://www.mltframework.org/>\n",
465 basename( program_name ) );
468 static void query_metadata( mlt_repository repo, mlt_service_type type, const char *typestr, char *id )
470 mlt_properties metadata = mlt_repository_metadata( repo, type, id );
473 char *s = mlt_properties_serialise_yaml( metadata );
474 fprintf( stdout, "%s", s );
479 fprintf( stdout, "# No metadata for %s \"%s\"\n", typestr, id );
483 static int is_service_hidden(mlt_repository repo, mlt_service_type type, const char *service_name )
485 mlt_properties metadata = NULL;
486 mlt_properties tags = NULL;
487 metadata = mlt_repository_metadata(repo, type, service_name);
491 tags = mlt_properties_get_data( metadata, "tags", NULL );
495 for ( k = 0; k < mlt_properties_count( tags ); k++ )
497 const char* value = mlt_properties_get_value(tags, k);
498 if( !strcmp("Hidden", value) )
508 static void query_services( mlt_repository repo, mlt_service_type type )
510 mlt_properties services = NULL;
511 const char *typestr = NULL;
515 services = mlt_repository_consumers( repo );
516 typestr = "consumers";
519 services = mlt_repository_filters( repo );
523 services = mlt_repository_producers( repo );
524 typestr = "producers";
526 case transition_type:
527 services = mlt_repository_transitions( repo );
528 typestr = "transitions";
533 fprintf( stdout, "---\n%s:\n", typestr );
537 for ( j = 0; j < mlt_properties_count( services ); j++ )
539 const char* service_name = mlt_properties_get_name( services, j );
540 if( !is_service_hidden(repo, type, service_name ) )
541 fprintf( stdout, " - %s\n", service_name );
544 fprintf( stdout, "...\n" );
547 static void query_profiles()
549 mlt_properties profiles = mlt_profile_list();
550 fprintf( stdout, "---\nprofiles:\n" );
554 for ( j = 0; j < mlt_properties_count( profiles ); j++ )
555 fprintf( stdout, " - %s\n", mlt_properties_get_name( profiles, j ) );
557 fprintf( stdout, "...\n" );
558 mlt_properties_close( profiles );
561 static void query_profile( const char *id )
563 mlt_properties profiles = mlt_profile_list();
564 mlt_properties profile = mlt_properties_get_data( profiles, id, NULL );
567 char *s = mlt_properties_serialise_yaml( profile );
568 fprintf( stdout, "%s", s );
573 fprintf( stdout, "# No metadata for profile \"%s\"\n", id );
575 mlt_properties_close( profiles );
578 static void query_presets()
580 mlt_properties presets = mlt_repository_presets();
581 fprintf( stdout, "---\npresets:\n" );
585 for ( j = 0; j < mlt_properties_count( presets ); j++ )
586 fprintf( stdout, " - %s\n", mlt_properties_get_name( presets, j ) );
588 fprintf( stdout, "...\n" );
589 mlt_properties_close( presets );
592 static void query_preset( const char *id )
594 mlt_properties presets = mlt_repository_presets();
595 mlt_properties preset = mlt_properties_get_data( presets, id, NULL );
598 char *s = mlt_properties_serialise_yaml( preset );
599 fprintf( stdout, "%s", s );
604 fprintf( stdout, "# No metadata for preset \"%s\"\n", id );
606 mlt_properties_close( presets );
609 static void query_formats( )
611 mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
614 mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "f", "list" );
615 mlt_consumer_start( consumer );
616 mlt_consumer_close( consumer );
620 fprintf( stdout, "# No formats - failed to load avformat consumer\n" );
624 static void query_acodecs( )
626 mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
629 mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "acodec", "list" );
630 mlt_consumer_start( consumer );
631 mlt_consumer_close( consumer );
635 fprintf( stdout, "# No audio codecs - failed to load avformat consumer\n" );
639 static void query_vcodecs( )
641 mlt_consumer consumer = mlt_factory_consumer( NULL, "avformat", NULL );
644 mlt_properties_set( MLT_CONSUMER_PROPERTIES(consumer), "vcodec", "list" );
645 mlt_consumer_start( consumer );
646 mlt_consumer_close( consumer );
650 fprintf( stdout, "# No video codecs - failed to load avformat consumer\n" );
654 static void on_fatal_error( mlt_properties owner, mlt_consumer consumer )
656 mlt_consumer_stop( consumer );
657 exit( EXIT_FAILURE );
660 int main( int argc, char **argv )
663 mlt_consumer consumer = NULL;
664 mlt_producer melt = NULL;
667 mlt_profile profile = NULL;
670 mlt_profile backup_profile;
672 // Construct the factory
673 mlt_repository repo = mlt_factory_init( NULL );
675 #if defined(WIN32) && !defined(MELT_NOSDL)
679 for ( i = 1; i < argc; i ++ )
681 // Check for serialisation switch
682 if ( !strcmp( argv[ i ], "-serialise" ) )
685 if ( name != NULL && strstr( name, ".melt" ) )
686 store = fopen( name, "w" );
689 if ( name == NULL || name[0] == '-' )
694 // Look for the profile option
695 else if ( !strcmp( argv[ i ], "-profile" ) )
697 const char *pname = argv[ ++ i ];
698 if ( pname && pname[0] != '-' )
699 profile = mlt_profile_init( pname );
701 else if ( !strcmp( argv[ i ], "-progress" ) )
705 else if ( !strcmp( argv[ i ], "-progress2" ) )
709 // Look for the query option
710 else if ( !strcmp( argv[ i ], "-query" ) )
712 const char *pname = argv[ ++ i ];
713 if ( pname && pname[0] != '-' )
715 if ( !strcmp( pname, "consumers" ) || !strcmp( pname, "consumer" ) )
716 query_services( repo, consumer_type );
717 else if ( !strcmp( pname, "filters" ) || !strcmp( pname, "filter" ) )
718 query_services( repo, filter_type );
719 else if ( !strcmp( pname, "producers" ) || !strcmp( pname, "producer" ) )
720 query_services( repo, producer_type );
721 else if ( !strcmp( pname, "transitions" ) || !strcmp( pname, "transition" ) )
722 query_services( repo, transition_type );
723 else if ( !strcmp( pname, "profiles" ) || !strcmp( pname, "profile" ) )
725 else if ( !strcmp( pname, "presets" ) || !strcmp( pname, "preset" ) )
727 else if ( !strncmp( pname, "format", 6 ) )
729 else if ( !strncmp( pname, "acodec", 6 ) || !strcmp( pname, "audio_codecs" ) )
731 else if ( !strncmp( pname, "vcodec", 6 ) || !strcmp( pname, "video_codecs" ) )
734 else if ( !strncmp( pname, "consumer=", 9 ) )
735 query_metadata( repo, consumer_type, "consumer", strchr( pname, '=' ) + 1 );
736 else if ( !strncmp( pname, "filter=", 7 ) )
737 query_metadata( repo, filter_type, "filter", strchr( pname, '=' ) + 1 );
738 else if ( !strncmp( pname, "producer=", 9 ) )
739 query_metadata( repo, producer_type, "producer", strchr( pname, '=' ) + 1 );
740 else if ( !strncmp( pname, "transition=", 11 ) )
741 query_metadata( repo, transition_type, "transition", strchr( pname, '=' ) + 1 );
742 else if ( !strncmp( pname, "profile=", 8 ) )
743 query_profile( strchr( pname, '=' ) + 1 );
744 else if ( !strncmp( pname, "preset=", 7 ) )
745 query_preset( strchr( pname, '=' ) + 1 );
752 query_services( repo, consumer_type );
753 query_services( repo, filter_type );
754 query_services( repo, producer_type );
755 query_services( repo, transition_type );
756 fprintf( stdout, "# You can query the metadata for a specific service using:\n"
757 "# -query <type>=<identifer>\n"
758 "# where <type> is one of: consumer, filter, producer, or transition.\n" );
762 else if ( !strcmp( argv[ i ], "-silent" ) )
766 else if ( !strcmp( argv[ i ], "-verbose" ) )
768 mlt_log_set_level( MLT_LOG_VERBOSE );
770 else if ( !strcmp( argv[ i ], "-version" ) || !strcmp( argv[ i ], "--version" ) )
772 fprintf( stdout, "%s " VERSION "\n"
773 "Copyright (C) 2002-2012 Ushodaya Enterprises Limited\n"
774 "<http://www.mltframework.org/>\n"
775 "This is free software; see the source for copying conditions. There is NO\n"
776 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
777 basename( argv[0] ) );
780 else if ( !strcmp( argv[ i ], "-debug" ) )
782 mlt_log_set_level( MLT_LOG_DEBUG );
785 if ( !is_silent && !isatty( STDIN_FILENO ) && !is_progress )
788 // Create profile if not set explicitly
789 if ( getenv( "MLT_PROFILE" ) )
790 profile = mlt_profile_init( NULL );
791 if ( profile == NULL )
792 profile = mlt_profile_init( NULL );
794 profile->is_explicit = 1;
796 // Look for the consumer option to load profile settings from consumer properties
797 backup_profile = mlt_profile_clone( profile );
798 load_consumer( &consumer, profile, argc, argv );
800 // If the consumer changed the profile, then it is explicit.
801 if ( backup_profile && !profile->is_explicit && (
802 profile->width != backup_profile->width ||
803 profile->height != backup_profile->height ||
804 profile->sample_aspect_num != backup_profile->sample_aspect_num ||
805 profile->sample_aspect_den != backup_profile->sample_aspect_den ||
806 profile->frame_rate_den != backup_profile->frame_rate_den ||
807 profile->frame_rate_num != backup_profile->frame_rate_num ||
808 profile->colorspace != backup_profile->colorspace ) )
809 profile->is_explicit = 1;
810 mlt_profile_close( backup_profile );
814 melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );
818 // Generate an automatic profile if needed.
819 if ( ! profile->is_explicit )
821 mlt_profile_from_producer( profile, melt );
822 mlt_producer_close( melt );
823 melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );
826 // Reload the consumer with the fully qualified profile.
827 // The producer or auto-profile could have changed the profile.
828 load_consumer( &consumer, profile, argc, argv );
830 // See if producer has consumer already attached
831 if ( !store && !consumer )
833 consumer = MLT_CONSUMER( mlt_service_consumer( MLT_PRODUCER_SERVICE( melt ) ) );
836 mlt_properties_inc_ref( MLT_CONSUMER_PROPERTIES(consumer) ); // because we explicitly close it
837 mlt_properties_set_data( MLT_CONSUMER_PROPERTIES(consumer),
838 "transport_callback", transport_action, 0, NULL, NULL );
842 // If we have no consumer, default to sdl
843 if ( store == NULL && consumer == NULL )
844 consumer = create_consumer( profile, NULL );
847 // Set transport properties on consumer and produder
848 if ( consumer != NULL && melt != NULL )
850 mlt_properties_set_data( MLT_CONSUMER_PROPERTIES( consumer ), "transport_producer", melt, 0, NULL, NULL );
851 mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( melt ), "transport_consumer", consumer, 0, NULL, NULL );
853 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "progress", is_progress );
855 mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( consumer ), "silent", is_silent );
858 if ( argc > 1 && melt != NULL && mlt_producer_get_length( melt ) > 0 )
860 // Parse the arguments
861 for ( i = 1; i < argc; i ++ )
863 if ( !strcmp( argv[ i ], "-jack" ) )
865 setup_jack_transport( consumer, profile );
867 else if ( !strcmp( argv[ i ], "-serialise" ) )
869 if ( store != stdout )
875 fprintf( store, "%s\n", argv[ i ] );
879 while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
882 fprintf( store, "%s\n", argv[ i ] );
890 if ( consumer != NULL && store == NULL )
892 // Get melt's properties
893 mlt_properties melt_props = MLT_PRODUCER_PROPERTIES( melt );
895 // Get the last group
896 mlt_properties group = mlt_properties_get_data( melt_props, "group", 0 );
898 // Apply group settings
899 mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
900 mlt_properties_inherit( properties, group );
902 // Connect consumer to melt
903 mlt_consumer_connect( consumer, MLT_PRODUCER_SERVICE( melt ) );
905 // Start the consumer
906 mlt_events_listen( properties, consumer, "consumer-fatal-error", ( mlt_listener )on_fatal_error );
907 if ( mlt_consumer_start( consumer ) == 0 )
909 // Transport functionality
910 transport( melt, consumer );
913 mlt_consumer_stop( consumer );
916 else if ( store != NULL && store != stdout && name != NULL )
918 fprintf( stderr, "Project saved as %s.\n", name );
924 show_usage( argv[0] );
927 // Disconnect producer from consumer to prevent ref cycles from closing services
929 mlt_consumer_connect( consumer, NULL );
931 // Close the producer
933 mlt_producer_close( melt );
935 // Close the consumer
936 if ( consumer != NULL )
937 mlt_consumer_close( consumer );
940 mlt_profile_close( profile );
944 mlt_factory_close( );